NexGen 7T vs Current 7T fMRI (IMAGE) University of California - Berkeley Caption This is a cross-section through the outer layers, or cortex, of the brain (bottom), showing how the NexGen 7T fMRI will be able to focus on smaller areas of the brain - regions the size of a poppy seed -- than current 7T scanners and record from each layer of neurons separately. Credit David Feinberg/UC Berkeley Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.